Hindu devotees take a holy dip in the Shipra river at the Simhastha Kumbh Mela in Ujjain, India, May 20, 2016. (Photo by Jitendra Prakash/Reuters)

A man carries an air cooler on the back of a motorbike in Ahmedabad, India May 20, 2016. (Photo by Amit Dave/Reuters)

A woman splashes water on her face to cool down at a public water station in Ahmedabad, India May 20, 2016. (Photo by Amit Dave/Reuters)

A woman gets a drink of water from an earthenware pot at a public water station in Ahmedabad, India May 20, 2016. (Photo by Amit Dave/Reuters)

A woman shields her face from the sun as she rides her scooter in Ahmedabad, India May 20, 2016. (Photo by Amit Dave/Reuters)

Men sleep on a tractor parked under the shade of a tree on a hot summer day in Ahmedabad, India May 21, 2016. (Photo by Amit Dave/Reuters)

A woman carries a fishing net as she arrives to catch fish in a flooded paddy field after heavy rains on the outskirts of Agartala, India May 22, 2016. (Photo by Jayanta Dey/Reuters)

Members of Bajrang Dal, youth wing of hardline Vishwa Hindu Parishad (VHP), show their skills at the concluding ceremony of a weeklong self-defence training camp on the outskirts of Ahmedabad, India May 22, 2016. (Photo by Amit Dave/Reuters)

A Bakarwal nomad woman unties a lamb to let him nurse outside a temporary camp in the outskirts of Srinagar, Indian controlled Kashmir, Saturday, May 14, 2016. Bakarwals are nomadic herders of India's Jammu-Kashmir state who wander in search of good pastures for their cattle. (Photo by Dar Yasin/AP Photo)

An Indian laborer sleeps under a concrete sections of a fly over bridge on a hot summer afternoon in Hyderabad, India, Friday, May 20, 2016. The prolonged heat wave this year has already killed hundreds and destroyed crops in more than 13 states. (Photo by Mahesh Kumar A./AP Photo)

In this April 30, 2016 file photo, people collect water for non-drinking use as the same is pumped out from a construction site at a slum area in Mumbai, Maharashtra state, India. Earth's heat is stuck on high. Federal scientists said the globe shattered monthly heat records for an unprecedented 12th straight month as April smashed the old record by half a degree. (Photo by Rajanish Kakade/AP Photo)

A child of a broom maker plays with rotten vegetables outside his family's make-shift tent in the outskirts of Srinagar, the summer capital of Indian Kashmir, 17 May 2016. India, which have the largest number of poor in the world, completes 25 years of the beginning of economic reforms this July. President of India, Pranab Mukherjee has said that India will have to raise its growth rate to 8.5-9 percent annually for the next 15-20 years in order to ensure that poverty is totally eliminated from the country. (Photo by Farooq Khan/EPA)

Indian men take bath at a common bathing place on a hot and sunny day in Amritsar, India, 17 May 2016. According to weather reports, Amritsar is expriencing severe heat wave with temperatures hovering around 42 degrees Celsius mark. (Photo by Raminder Pal Singh/EPA)

An Indian buffalo herder sits in the shade of a road divider as his cattle graze in a field on the other side of the road on a hot afternoon in New Delhi, India, Wednesday, May 18, 2016. (Photo by Altaf Qadri/AP Photo)

Indians rest in unused water pipes to avoid the heat on a hot summer day in New Delhi, India, 19 May 2016. According to the news reports an orange alert was announced in Delhi and non capital regions as temperatures in the Indian capital reached to the 47 degree Celcius. (Photo by Harish Tyagi/EPA)

An Indian migrant daily wage worker baths at a public well pump on a hot morning in New Delhi, India, Tuesday, May 17, 2016. Scorching summer temperatures, hovering well over 40 degrees Celcius, (104 Fahrenheit) are making life extremely tough for millions of poor across north India. Without access to air conditioning and sometimes even an electric fan, they struggle to cope with the heat in their inadequate homes. (Photo by Altaf Qadri/AP Photo)

A laborer covers himself with a cloth to protect from the sun as he pulls a rickshaw carrying wooden logs on a hot summer afternoon in Hyderabad, India, Friday, May 20, 2016. (Photo by Mahesh Kumar A./AP Photo)

An Indian school girl cools her head with a cold water bottle in Jammu, India, Thursday, May 19, 2016. Scorching summer temperatures, hovering well over 40 degrees Celsius, (104 Fahrenheit) are making life extremely tough for millions of people across north India. (Photo by Channi Anand/AP Photo)

A stray dog and a homeless person sleep under bushes on a hot summer afternoon in Hyderabad, India, Friday, May 20, 2016. The prolonged heat wave this year has already killed hundreds and destroyed crops in more than 13 states. The extreme heat has impacted hundreds of millions in western India with record temperatures Friday reaching as high as a scorching 51 degrees Celsius (123.8 Fahrenheit). (Photo by Mahesh Kumar A./AP Photo)

Indian villagers catch fish in an agricultural field which is inundated by rain waters in Goalpara district of Assam state, India, 15 May 2016. Continuous pre-monsoon rain has submerged large scale of low lying areas, including agricultural land in many parts of Assam state during past couple of days. (Photo by EPA/Stringer)

Golu, a ten-year-old boy living on the streets of India's capital New Delhi, lays on cascading water as he plays in a fountain in a decorative shallow pool adorning the gardens surrounding the India Gate monument on a hot Indian summer afternoon in New Delhi on May 20, 2016. The Indian Meterological Department issued warnings of “severe heat wave” conditions across large parts of India's north and west, including the capital Delhi, where temperatures hit 47 degrees Celsius earlier this week. (Photo by Roberto Schmidt/AFP Photo)